Free Tools
Free fitness calculators
Fast, science-based lifting calculators — no sign-up, no paywall. They run the exact same math as the LiftZone Workouts app, so the numbers you get here are the numbers your training should follow.
One Rep Max Calculator
Estimate your 1RM from any set using the Epley and Brzycki formulas, then read the full %1RM chart to pick training weights for every rep range.
Open 1RM calculatorTraining Volume Calculator
See your weekly set targets per muscle — MEV, MAV and MRV landmarks by training age. The volume framework behind LiftZone's mesocycle engine.
Open volume calculatorMore calculators are on the way — plate loading, RPE, DOTS strength score and macros. Get the app to put any of these to work automatically.
Let LiftZone handle the programming, progression and deloads for you — automatically, on iPhone and Apple Watch.
Download LiftZone Workouts